[VU+ Duo4K] Vu+duo 4k vrash and loop

[Donkey14]

Hi. My Vu+duo 4k crashed without reason when starting recording. And webt to constant loop. No reaction to anything. Poweroed off from main socket for 10min - started - thew same issue. Powered off from main socket for 5 min then with USB stick loaded on back withlatest image 5.3.0004 - not even react to usb stick - the same loop again.
Attached crash log. Any idea what to do? First time I seen Vu+ not reacting for usb stick with new image.
No other usb port has any usb or anything connected.
Help pleaseView attachment Enigma2_crash.logView attachment Enigma2_crash.log

 

[twol]

Where and what are you using as HDD???